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The United States of America as represented by the Secretary of the Navy Patents
The United States of America as represented by the Secretary of the Navy
Washington, DC
No. of patents:

Patent Number Title Of Patent Date Issued
H613 Portable shipboard gunnery training/diagnostic apparatus April 4, 1989
A rugged portable diagnostic apparatus is configured for temporary installation and operation on board Naval ships. The apparatus provides gunnery training support by allowing a comprehensive empirical assessment and feedback of individual, team and equipment performance on an econom
H607 Addressable delay memory March 7, 1989
An addressable delay memory device which operates as a dual mode device. In he first mode, the addressable delay memory functions as a first in-first out delay memory in which the data is delayed for a predetermined period. In the second mode, the addressable delay memory operates under t
H604 Method of preparing 2,4,4,5,5,6,6-heptafluoro-2-trifluoromethyl-3-oxaheptane-1,7-diol polyfo March 7, 1989
A process for preparing 1,4,4,5,5,6,6-heptafluoro-2-trifluoro-3-oxaheptan,7-diol polyformal by the following steps in order:(1) reacting 2,4,4,5,5,6,6-heptafluoro-2-trifluoromethyl-3-oxaheptane-1,7-diol with formaldehyde in 80-90% (w/w) sulfuric acid in the presence of methylene
H601 Ceramic fiber thermal protection coating March 7, 1989
An asbestos-free intumescent thermal protection coating consisting essently of from 0.5 to 1.5 weight percent of a ceramic fiber that comprises from 40 to 50 weight percent of Al.sub.2 O.sub.3, 50 to 60 weight percent of SiO.sub.2, from 0.5 to 1 weight percent of Fe.sub.2 O.sub.3, a
H593 Electromechanical safe and arm mechanism March 7, 1989
A setback motivated element has its movement to an armed position control by an electromechanical escapement which permits arming only upon the reception of a predetermined number of electrical pulses of opposite polarity to provide protection against improper arming due to either e
H592 Shell feeder for telescoped ammunition March 7, 1989
A shell feeding system comprising an endless loop, nondisintegrating link lt 14 within a magazine 12 for moving telescoped shells into an extraction position where they are side stripped and transferred to a ram load position. A hydraulic cylinder 48 is used to incrementally index belt 1
H585 Anisotropic magnetoresistance measurement apparatus and method thereof February 7, 1989
The present invention is an apparatus and method for the non-destructive ting of the anisotropic magnetoresistance parameters of a film. A plurality of contacts points are securely disposed in a generally planar support means and engagable with a surface of the film for measuring the
H581 Mineral spirits purification process February 7, 1989
A process for purifying mineral spirits which have been used to clean Otto uel II propelled torpedoes by heating the mineral spirits to decompose 1,2-propanediol dinitrate and remove hydrogen cyanide and other gaseous decomposition produces, and then distill the mineral spirits from the
H570 Fast Fourier transform data address pre-scrambler circuit January 3, 1989
A fast Fourier transform (FFT) data address pre-scrambler technique and cuit for selectively generating pre-scrambled bit reversed, data address sequences needed to perform radix-2, radix-4 and mixed radix-2/4 fast Fourier transforms.
H565 Method for manufacturing thick glass phenolic laminates January 3, 1989
A vacuum bag autoclave type procedure for curing layers of phenolic resin pregnated fibrous material to form a composite structural part. A straight up heat rise cure cycle is employed in conjunction with a layup and bagging procedure that ensures a relatively free bleed of excess resin
H555 Moisture absorbing anti-arcing coating and method for applying same December 6, 1988
A moisture absorbing, anti-arcing compound comprises a mixture of a moist active isocyanate resin and a generic anti-arcing compound. The isocyanate resin reacts with residual moisture in a high voltage ceramic insulator, thus tying it up chemically. This prevents diffusion of the m
H541 Housing for jam resistant actuator November 1, 1988
A ballistic damage tolerant, lightweight hydraulic actuator has a cylindrl liner with opposite open ends each surrounded by conical, outwardly extending projections of the liner. Each end receives a head which is detachably connected to the liner centrally of the projections by an e
H539 Arcuate rolling bearing November 1, 1988
A bearing for a ball-shaped gimbal ring of a gimbal system has opposing arcuate tracks mounted individually to a gimbal ring and a base of the system. In a first embodiment, a ring track is segmentally opposed by a base track. Balls are disposed within the ring track and are kept there b
H523 Inhibitors for cone-free end-burning of double base propellant grains September 6, 1988
A double base propellant grain inhibitor is comprised of a hydroxyl-termied polybutadiene polymer having from 2 to about 3 hydroxyl groups per average molecule and an approximate molecular weight of 2800 to 3600, an inert filler, a cross-linking agent, a thickening agent, an antioxi
H511 Data collection system August 2, 1988
A data collection system is configured using, inter alia, a master proces and a plurality of slave processors one for each data source to be collected. The slave processors depend upon the master processor for system timing and interpretation of operator commands via a display/keybo
H503 Wave surface characterization August 2, 1988
A method of obtaining data for mathematical characterization of a wave surface by transmitting a beam toward the surface so that the beam is reflected from an element of the surface in a direction determined by the instantaneous, two dimensional slope of the element. The reflected beam
H492 Safe/arm device July 5, 1988
A safe/arm device has a rotor that aligns or misaligns a path for an explve. The rotor is aligned by the effects of a fluid pressure differential acting upon a piston of the device. This pressure differential causes the piston to translationally move and this movement is transmitted
H485 Frangible target with hydraulic warhead simulator July 5, 1988
An aerial target, which can operate either in a self-propelled or towed ciguration, is made of a lightweight, frangible foam material. When employed in the self-propelled configuration, the target includes a remotely controlled guidance system; a remotely controlled guidance system
H483 Binary solvent for dye laser June 7, 1988
A binary solvent for liquid dye laser systems comprising a surfactant having a hydrophobic end and a hydrophilic end in a viscous polar solvent provides a method of improving the output, efficiency and lifetime of laser dyes, particularly in non-flowing liquid dye laser systems.
H476 Synthesis of 7-amino-4,6-dinitrobenzofuroxan June 7, 1988
The compound 7-amino-4,6-dinitrobenzofuroxan is synthesized by stirring monochloro-4,6-dinitrobenzofuroxan in CH.sub.2 Cl.sub.2 under an ammonia atmosphere. The position of the amino group is proved by reduction with triphenylphosphine to give 7-amino-4,6-dinitrobenzofurazan, a known
H464 Metal hydride explosive system May 3, 1988
A molten metal-liquid explosive device comprising:(1) a metal casing enclosing an inner space;(2) a fusable metal wall dividing the inner space into a liquid chamber and pyrotechnic material chamber;(3) a liquid (e.g., water) contained in the liquid chamber;(4) a pyrotechnic material essentially
H448 Co-nitration of 1,2,4-butanetriol and glycerin March 1, 1988
A process for preparing an energetic mixture of 1,2,4-butanetroil trinitr and nitroglycerin by forming a polyol mixture of 1,2,4-butanetriol and glycerin, and then nitrating the polyol mixture with a mixture of nitric and sulfuric acids.
H447 Synthesis of 1,3,5-trinitro-1,3,5-triazacyclohexane March 1, 1988
A process of preparing 1,3,5-trinitro-1,3,5-triazacyclohexane of high teccal purity by a one-step direct liquid nitrolysis of hexamethylenetetramine with dinitrogen pentoxide in 100% nitric acid under a separate chlorinated hydrocarbon phase.
H442 Composition and method for cleaning embedded soil from surfaces having low gloss coatings March 1, 1988
A composition for cleaning embedded soil from surfaces coated with flat or ow-gloss coatings has elastomeric particles intermixed with a thixotropic solvent emulsion cleaner. The elastomeric particles provide an eraser-like action to adsorb deeply entrapped soil so that the cleaner can em
H44 Electronic phase shifter having a constant magnitude output April 1, 1986
An electronic phase shifter for shifting the phase of a sine wave at an input terminal, as measured at an output terminal, without affecting the magnitude thereof and having the ability to operate over a wide range of input voltages is disclosed. The electronic phase shifter comprises, i
H439 Ultrahigh vacuum mounting March 1, 1988
A mounting for an object processed at a predetermined temperature in an uahigh vacuum chamber having a stainless steel wall. The mounting has a stainless steel tube welded to the wall and opening through it and has an oxygen-free-high-conductivity copper finger extended from the tube to
H438 Fluid tank sounding tube check valve March 1, 1988
A shipboard fuel tank sounding tube that allows safer operation by preveng overflow of the fuel tank during filling yet allows the passage of depth sounding rods and sampling probes wherein a light weight floating ball check value located on a prescribed path near the top of the tank is
H429 Low temperature synthesis of metal sulfides February 2, 1988
Finely divided metal sulfide powders of uniform size are produced at low temperatures by a method of adding solutions of organometallic compounds to an organic solvent saturated with H.sub.2 S. The solvent is kept saturated with H.sub.2 S by adding H.sub.2 S at a rate greater than that
H424 Method of synthesizing the bismaleimide of dimer diamine via cyclodehydration February 2, 1988
The bismaleimide of dimer diamine is synthesized using N,N'-dicyclohexylcodiimide and 1-hydroxybenzotriazole.
H423 Fresnel lens in an improved infinity image display system February 2, 1988
A fresnel lens employs a design that reduces the transmission of stray light to a viewer located at its entrance pupil, said design requiring directional undercutting of selected facets of the lens so as to align the directionally undercut nonimaging surface parallel to the viewer's line
H415 Multilayer PTCR thermistor January 5, 1988
A multilayer thermistor and a method of making it are disclosed. The thertor has a positive temperature coefficient of resistance (PTCR) and a room temperature resistance lower than prior art thermistors of the same size. The thermistor is comprised of a plurality of layers of material
H413 Microphone output-level tester January 5, 1988
A microphone such as that used in a shipboard public address system is ted for its output level by an integrated microphone tester. The microphone is secured in a specific proximity of a sound-level calibrator acoustic generator providing a known output level. An electronic circuit
H408 Graphite chamber manufacturing process January 5, 1988
A method for manufacturing a filament wound chamber combining circular and helical winging configurations.
H402 High energy absorbing prestressed concrete fender piles and fendering system January 5, 1988
A high-energy-absorbing prestressed concrete fender pile, and fendering sem using a plurality of such piles, constructed from high-strength concrete prestressed with longitudinal tensioned strands only partially prestressed such that the longitudinal strands remian elastic to provide
H394 Flexible coupling device with electrical bonding for metallic ducts December 1, 1987
A flexible fluid coupling and electrical bonding device includes a sleeve elastomeric material and a wire mesh bonding strip having its central portion embedded between layers of the sleeve wall laminations, with extra length portions of the strip folded back within the sleeve either ag
H391 Piezoelectric polymer hydrophone December 1, 1987
A hydrophone comprising a tubular thin-walled member of a piezoelectric polymer such as polyvinylidene with electrodes covering the interior and exterior surfaces of the tubular member. An elastomeric core is inserted into the interior of the tubular member and then brought into radial
H384 Stowable three-axis reaction-steering system December 1, 1987
A thrust vector control apparatus for selective deployment of a vane within n exhaust stream has the vane mounted on the periphery of an exhaust nozzle for pivotable movement between a retracted position without the stream and an inserted position within the stream. A pivotally mounted li
H375 Microstrip antenna system adaptively steerable in two dimensions November 3, 1987
An antenna system for adaptive steering in azimuth and elevation. The sys utilizes a cross-shaped, planar, microstrip array with a central receiving element and with arms of parasitic elements having individual phase shifters which are simultaneously adjusted. In steering a null, the
H371 Optical fiber interferometer November 3, 1987
A sensor system is disclosed for measuring small physical perturbations in he environment using an optical fiber interferometer in the Fabry-Perot configuration operating at maximum sensitivity. A single frequency laser source is focused on one end of a single mode optical fiber with high
H368 Field-effect transistor November 3, 1987
A method of improving field-effect transistors, and the product thereof, wherein the resistivity of the upper layer of the source-gate channel region of a GaAs field-effect transistor (FET) may be selectively raised is disclosed. Impurity ions are implanted in the source-gate channel
H367 In situ dye smoke November 3, 1987
A dye smoke which burns efficiently and without flame consisting essentia of a hydroxyl terminated polybutadiene binder, the biuret trimer of hexamethylene diisocyanate curative, a leucoquinizarin dye referred to as 1,4,9,10-tetrahydroxyanthracene, and ammonium iodate oxidizer. The
H352 Bis(2-fluoro-2,2-dinitroethoxy) 2,2,3,3,4,4,4-heptafluorobutoxymethane and a method of preparati October 6, 1987
Bis(2-fluoro-2,2-dinitroethoxy) 2,2,3,3,4,4,4-heptafluorobutoxymethane, (F), CF.sub.3 CF.sub.2 CF.sub.2 CH.sub.2 OCH[OCH.sub.2 CF(NO.sub.2).sub.2 ].sub.2, is an energetic plasticizer with a melting point of C. and thermal stability up to C. HFBF is miscible with
H351 4,4,10,10-tetranitro-6,8-dioxatridecane-1,13-diol polyformal and method of preparation October 6, 1987
4,4,10,10-tetranitro-6,8-dioxatridecane-1,13-diol polyformal, HO(CH.sub.2ub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O[CH.sub.2 O(CH.sub.2).sub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O].sub.n H,
H350 Energetic polynitro formal plasticizers October 6, 1987
An energetic plasticizer which is a mixture of bis(2,2,2-trinitroethyl)fol, bis(2,2-dinitropropyl)formal, and a new compound 2,2-dinitropropyl 2,2,2-trinitroethyl formal.
H334 Oxazole dyes September 1, 1987
Oxazole dyes and certain quaternary salts of these compounds having a formula as follows: ##STR1## are useful as visible-wavelength lasing dyes. These dyes are useful in solution with non-interferring polar solvents, such as low molecular weight alcohols, H.sub.2 O and mixtures t
H330 Personnel grounding system tester September 1, 1987
Apparatus for on-site testing of wrist straps or shoe straps of the type d to prevent the buildup of electrostatic charges on the body and clothing of a worker engaged in handling charge-sensitive electronic devices. The worker wearing a grounding strap connects the grounding strap
H329 Aerodynamic housing September 1, 1987
An aerodynamic housing is disclosed for stabilizing the free-fall descent an article, particularly a sonobuoy, launched from an aircraft. The housing is cylindrically-configured and includes a tail section wherein a plurality of symmetrical channels are formed obliquely to the cylindric
H322 Laser diode power controller August 4, 1987
A laser diode power supply that uses a proportional controller that drives series pass transistor to regulate laser diode current and the intensity of the laser diode output. The purpose of the controller is to maintain constant laser output power when its unregulated output power would
H319 Gun blast diffuser August 4, 1987
A rotating blast diffuser for a Gatling type gun is disclosed. The diffuser as a streamlined, forward nose containing gas stripping means individual to the barrels. The gas stripping means, annular members for example, strip muzzle blast from a firing barrel, and divert the blast into a f
H310 Analog multiplexer July 7, 1987
A fast analog multiplexer is disclosed which utilizes a plurality of paral MOSFETs coupled to a plurality of parallel analog inputs, the gates of said MOSFETs being controlled by a binary decoder to allow passage of only on analog voltage to be summed by an op amp while concomitantly

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